class ReimbursementApprovalMaQuery:
    def __init__(self, reimbursement_approval_ma_id=None, reimbursement_id=None, manager_id=None, date=None):
        self.reimbursement_approval_ma_id = reimbursement_approval_ma_id
        self.reimbursement_id = reimbursement_id
        self.manager_id = manager_id
        self.date = date

    def to_dict(self):
        return {
            'reimbursement_approval_ma_id': self.reimbursement_approval_ma_id,
            'reimbursement_id': self.reimbursement_id,
            'manager_id': self.manager_id,
            'date': self.date.isoformat() if self.date else None
        }
